package Example15;
class Animal {
    public void shout() {
        System.out.println("喵喵喵~~~");
    }
}
class Dog extends Animal{
    public void  shout(){
        System.out.println("汪汪~~");
    }
    public void eat(){
        System.out.println("吃骨头~~");
    }
}
public class Example15 {
    public static void main(String[] args) {
        Dog dog = new Dog();
        Animal a1=dog;
        a1.shout();
        //a1.eat();Animal没有eat方法 所以eat没法使用
    }
}
